Ultraviolet ray applicator



Aug. 21, 1945. M l, SCHULTZ 2,383,421

ULTRA-VIOLET RAY APPLICATOR Filed Aug. 7, 1944 2 Sheets-Sheet l nluxlmlllllmgllmmlllllll IN EN OR Q Z [5ml/TZ W m Q @QAM ATTORNEY Aug- 21, 1945' v M. l. scHuLTz 2,383,421

ULTRA-VIOLET RAY APPLICATOR Filed Aug. '7, 1944 2 Sheets-Sheet 2 INVENTOR #Z4/fuffa Z 5cm/z rz ATTORNEY Patented Aug. 2l, 1945 UNITED STATES PATENT OFFICE ULTRAVIOLET RAY APPLICATOR Maxwell I. Schultz, Scarsdale, N. Y.

vApplication August 7, 1944, Serial No. 548,409

('Cl. 12S-395) 8 Claims.

This invention is directed to shaving and specifically is concerned with a dry shaver. It is well recognized that a dry shaver does not provide a shave as close as a blade razor, hence leaving undesirable residual stubble. Generally following shaving the skin appears lighter. Hence from a standpoint of appearance, the residual stubble is emphasized, that is, stands out by contrast. Moreover where a blade razor is utilized, the face is generally washed, thus washing away the germs. Inthe use of a dry shaver, the germs remain on the face as washing of the latter is not generally resorted to. Also it is generally stated that few flesh cuts take place in the use of a dry shaver, nevertheless there are some instances where nicks of the flesh, although at times microscopic, do occur and in that event the user of the dry shaver is more susceptible to infection in that the germs arenot washed off. One object of the invention is to make possible from the standpoint of appearance the achievement of results in the use of a dry shaver according to the invention to compare favorably with the result realized by blade shaving. Another object is to provide means in a dry shaver for sterilizing the face during the course of shaving. A further object is realized in spraying the surface to be shaved in the course of shaving with therapeutic light rays and by such rays concomitantly coloring and toning up the shaved surface. Still another object resides in the provision of an adjustable reflector for regulating the volume of the therapeutic light rays to be directed on the face during shaving and for completely screening such light rays if so desired by the user. Other objects, features, and functional and structural advantages of the invention will appear from the following detailed description taken with the accompanying drawings wherein:

Fig. l is a front view of the dry shaver according to the invention, shown partly broken away for purposes of clearness and also illustrating a conventional high frequency vacuum tube oscillator adapted to be employed in connection therewith.

Fig. 2 is a side view of the dry shaver illustrated in Fig. 1.

Fig. 3 is an enlarged fragmentary view of Fig. 2,

illustrating the adjustable reflector in positionI to completely shut off the light rays from the lamp.

Fig. 4 is a fragmentary front view of the dry shaver.

Fig. 5 is a perspective view of one of the ultraviolet lamp holding snap contact clips.

Fig. 6 is a sectional view of the wire cable on the line 6--6 of Fig. 1.

Fig. 7 is a front-view of the four way prong receptor.

Fig. 8 is a sectional view on the line @-8 of Fig. 1.

Fig. 9 is a schematic view of the Wiring between the removable dry shaver plug and the receptor plug.

Fig. 10 'is a side broken view, partly in section of another embodiment according to the invention.

Fig. l1 is an inside view of the removable reflector and tube holding panel or support shown in Fig. 10.

Fig. 12 is a perspective view of Fig. 10 however with the reflectorv and lamp holding panel removed, and

Fig. 13 is a perspective view of the removable tube and reflector holding panel or support.

As previously stated, in dry shaving while most of the stubble is taken off a, certain residual stubble remains. The skin where shaved appears lighter, consequently sharply contrasting with the residual stubble. In accordance with the invention, ultraviolet light is directed and focused on the skin during shaving. Ultraviolet light as is well known has a noticeable bleaching effect on the color of human hair and therefore a bleaching effect on the residual stubble is obtained. At the same time the face of the shaver is darkened. Hence the residual stubble becomes lighter while the face of the shaver becomes darker. By this action from the standpoint of appearance the residual stubble does not stand out. And obviously it is desirable that the residual stubble does not show. Thus by subjecting the surface to be shaved to the dry shaver according to the invention three mutually coacting and dominant features take place simultaneously, to wit; one, the major portion of the stubble is removed; two, the residual stubble is bleached; and three, the skin or background of the residual stubble isdarkened all to the common end that in appearance the dry shave obtained approximates and compares favorably to the appearance that could be obtained by wet shaving. Thus by the method of shaving in accordance with the present invention, an additional advantage is provided, namely, the surface shaved is sterilized where subjected to therapeutic rays, thus promoting healing.

In accordance with the invention a very small ultraviolet lamp L is utilized and of the type requiring a high frequency source. of current.

The generator for this source of high frequency.

current is preferably a separate entity from the dry shaver to enable the latter to be of conventional size. The generator employed for this purpose and as illustrated is a conventional vacuum tube oscillator generally denoted C. This high frequency oscillator produces high frequency current as is well understood and such high frequency current is essential to the proper activation of the ultraviolet ray generator or lamp L removably held by the pair of snap contact clips S desirably fastened to the dielectric housing or casing H of the dry shaver generally denoted D which includes a vibrating arm l osciliated by a suitable motor within the housing but not shown as such an expedient is conventional and its operation is well understood in the art.

Specifically the vibrating arm I0 desirably oscillates an inner toothed cutter II in the outer toothed head I2 removably disposed in a suitable guide channel I3. This structure is well known. However the dielectric casing H has one side thereof provided with a bifurcated portion I5 defining a socket or bearing along one side of the casing and having the spaced parts I6 and I1 characterizing the arcuate concaved channel or cavity I8 wherein a curved light reflector R is rotatably seated and guided. Side I6 of the bifurcated portion or yoke I6 merges with the rectilinear wall I9 which serves as an aid to position the shaving head I2 in place in the channel I3.

More particularly the pair of snap contact clips S are flxedly secured or moulded to the end faces 20 of the channel I8. These clips are electrically connected to the leads 2l and 22 (Fig. 1) of an electrical conduit 23 having its lower leads 24 and 25 electrically connected to the spaced metal sockets 26 and 21 adapted to be removably engaged by the metal prongs 28 and 29 of cable 30 connected to plug 3I removably associated with the lower end of the dielectric dry shaver housing or casing H The prongs 28 and 28 are also connected electrically through insulated wires 82 and 33 of the cable 3U to the prongs 34 and 35 of the removable receptor plug 36. Wires 31 and 38 of the motor circuit are connected to the motor not shown and are also connected electrically to the fixed metal sockets 39 and 40 adapted to be removably engaged by the electrically conducting prongs 4I and 42 of the removable plug 3|. These prongs in turn are connected to the wires 43 and 44 and are electrically connected to the prongs 45 and 46 of the receptor plug 36.

The four prongs of plug 36 are removably and electrically engaged by the electrically conducting sockets 41, 48, 49 and 50 in the receptor R appropriately fastened to one side of a box B containing the vacuum tube oscillator C for es tablshing electrical contact with the wires 5IM and 52M of the motor circuit passing through bushing 53 and forming a part of cable 54 and desirably electrically connected to the sockets 41 and 48 of the receptor R.

Within the cable 54 is another pair of wires 55 and 56 and these electrically extend to the sockets 49 and 50 of the receptor R and to the vacuum tubes for energizing the latter when the prongs 51 and 58 of the supply plug 59 are connected to suitable house current.

Wires 6| and 62 receive house current passing through cable 83 and ultimately the vacuum tubes are energized. These wires however are also connected to the lamp circuit and to the motor circuit. Thus current for the motor circuit is transmitted through the wires 5IM and 52M and high frequency current is transmitted through the wires and 55. By this arrangement where the plug 59 is connected to a suitable source of house current and where plug 35 is connected to the receptor, the motor circuit is established and activated for oscillating the cutter II of the dry shaver and the ultra violet lamp circuit is established and activated by the high frequency current generated by the vacuum tube oscillator.

During the course of shaving the stubble is removed by the dry shaver head. Concomitantly however the shaved portion is sprayed with ultraviolet rays to produce sterilized and therapeutic effects at the same time bleaching the residual stubble and coloring or toning up the skin. The lamp L may be readily inserted into position and removably held .by the yieldable and resilient contact clips S. By such arrangement the lamp, if desired may be conveniently replaced at any time.

Pursuant to shaving the dry shaver is disconnected from the receptor R and deposited in the box B. Also the plug 59 is disconnected from the house or supply current and is also deposited in box B. 'I'hereafter the cover 65 is swung closed and both the dry shaver and vacuum tube cscillator are safely kept together although the support 66 for the oscillator is secured to the box B in any suitable manner.

The volume of light may be regulated by the rotatable refiector R journalled in the bifurcated portion or ibearing I5. To this end the manipulator M has its shank 51 frictionally but movably guided in the arcuate slot 68 of the curved wall I1 and is appropriately fastened to the rotatable reflector. Thus the latter may be rotatably dtsplaced to control the width of the gap 69 or in other words regulate the volume of light to be projected to the face of the shaver. If desired the rays may be completely shut olf by closing gap 69 completely as illustrated in Fig. 3. The reflector in eil'ect is a closure that may be controlled at the convenience of the user.

In the embodiment according to Figs. 10-13, the curved light reector Ris appropriately journalled in the dielectric panel P and is disposed in the oppositely arranged and complementary concavities 10 and 1I in the panel P and housing or casing H, the latter having the fixed metal hollow bushings or sockets 12 and 13 adapted to be in circuit with the vacuum tube oscillator to receive high frequency current to ultimately energize the ultraviolet lamp L having its ends removably mounted on the fixed resilient contract clip S each having offset legs 14 provided with metal projecting pins 15 having split clamping ends defining resilient fingers 16 removably receivable in sockets 12 and 13. The removable one piece hollow panel P embodies the inner channel or cut away portion CA in which the spring.l clips S are fastened. This channel is bounded by the rim 11 comprising the curved spaced portions 18 and the bridge 119 which are adapted to be held closely against the upper surface of the dry shaver housing when the flngers 16 are in clamped relation with the sockets 12 and 13.

With the dielectric panel P secured against the housing a light directing duct G is defined by the upper margin Il of the housing or casing' and the inner surface 82 of the web or bridge W of the panel P. The duct G at the base thereof is in communication with the gap defined in the walls of the cavities and 1I. However the reflector R may be adjusted .by the manipulator M frictionally and movably guided in the slot 08 in the panel.

It is apparent that by the removal of the panel P from the dry shaver casing access may be conveniently had to the lamp L for its replacement or inspection.

With the rim 'l1 of the hollow panel P against the dry shaverhousing and the resilient fingers in clamping relation with sockets 12 and 13, the high frequency current and motor circuits may be established through the sockets l2 and 'I3 in the manner disclosed in connection with the embodiment of Fig. l. In other aspects, the form shown in Figs. 10-13 is along the lines illustrated in Figs. l to 7 although in each of the embodiments the ultraviolet lamp may be said to be adjacent the shaving head of the dry shaver. However the bridge or web W of the form shown in Figs. 10-13 serves as means to prevent needless spraying of the light and characterizes a guard to direct a beam of light to strike the face. And of course in each of the embodiments disclosed, the reflector may be adjusted to control the amount of light desired or to completely shut off or screen such light.

In addition to controlling or regulating the spray of light rays the adjustable reflector R. also serves to direct the light rays from the lamp to travel along an upper side face as i9 or 8i and thus adjacent the stubble cutting means, characterized by the inner and outer toothed members l2 and i3 and the lamp L may be if desired appreciably smaller in cross section and disposed in the bearing means rotatably sustaining the reector.

Various changes may be made in the details of construction and arrangement of parts without departing from the spirit of the invention or sacrificing any of the advantages therein.

I claim:

1. In a therapeutic device for sustaining a hair cutting member and for sterilizing skin during removal of stubble therefrom, a relatively elongated casing having in part converging side Walls, one of said walls having an outer sloping surface leading towards said cutting member and having a cavity extending widthwise thereof and spaced from and adjacent said cutting member, an ultraviolet ray generator disposed at least in part across said cavity, means carried on the outside of said casing and spaced from said surface to define a gap, and a combined shutter and refiector sustained by sai-d means for controlling the area of said gap and surrounding said generator for directing ultraviolet rays through said gap and along said surface and to and beyond said cutting member.

2. In a therapeutic device for sustaining a hair cutting member and for sterilizing skin during removal of stubble therefrom; a relatively elongated casing havin-g in part converging side walls, one of said walls having an outer sloping surface leading towards said cutting member and having a cavity extending widthwise thereof and spaced from but adjacent said cutting member, an ultraviolet ray generator disposed at least in part across said cavity, bearing means carried on the outside of said casing and spaced from said surface to define a gap, a combined shutter and reflector rotatably carried by said bearing means violet ray generator disposed at least in part.

across said cavity, a panel on the outside of said last mentioned wall and defining with said surface a gap and having an upper portion spaced from said surface and defining therewith a light conducting duct leading to said cutting member, means removably sustaining said panel on said last mentioned wall, a shutter, and means for removably projecting said shutter across said gap to control the area thereof.

4. In a therapeutic device for sustaining a hair cutting member and for sterilizing skin during removal of stubble therefrom, a relatively elonl gated casing having in part converging side walls, one of said walls having an outer sloping surface leading towards said cutting member and having a. cavity extending widthwise thereof and spaced from but adjacent said cutting member, an ultraviolet generator disposed at least in part across said cavity, a panel having bearing means defining with said surface a gap and having an upper portion spaced from said surface and defining therewith a light conducting duct leading to said cutting member, a shutter rotatably sustained by said bearing means for controlling the area of said gap, manipulator means for adjusting said shutter, and means for removably holding said panel against said casing.

5. In a therapeutic device for sustaining a hair cutting member and for sterilizing skin during removal of stubble therefrom, a relatively elongated casing having in part converging side walls, one of said walls having an outer sloping surface leading towards said cutting member and having a cavity extending widthwise thereof and spaced from but adjacent said cutting member, an ultraviolet ray generator disposed at least in part across said cavity, a panel having bearing means defining with said surface a gap and having an upper web portion spaced from said surface and defining therewith a light conducting duct leading towards said cutting member, and a shutter rotatably sustained by said bearing means for controlling the area of said gap and including relector means for directing ultraviolet rays onto said surface and into said duct.

6. In a therapeutic device for sustaining a hair cutting member and for sterilizing skin during removal of stubble therefrom, a relatively elongated casing having in Dart converging side walls, one of said walls having an outer sloping surface leading towards said cutting member and having a cavity extending widthwise thereof and spaced from but adjacent said cutting member, an ultraviolet ray generator disposed at least in part across said cavity, a panel having bearing means defining with said surface a gap and having an upper web alongside of but spaced from said surface and defining therewith a light con-ducting duct leading towards said cutting member, a shutter rotatably sustained by said bearing means for controlling the area of said gap,4 reiiector means for directing ultraviolet rays onto said surface and into said duct, and means for removably sustaining said panel on said wall.

upper web spaced from said surface and defining therewith a light conducting duct leading towards said cutting member, a shutter rotatably sustained by said bearing means for controlling the area of said gap, reflector means for directing ultraviolet rays onto said surface and into said duct, pins extending from said panel, and means carried by said casing for clamping said pins to removably Asustain said panel against said casing.

8. In a therapeutic device for sustaining a hair cutting member and for sterilizing skin during removal of stubble therefrom, a relatively elongated casingA having in part converging side walls, one of said walls having an outer sloping surface leading towards said cutting member and having a cavity extending widthwise thereof and spaced from but adjacent said cutting member, an ultraviolet ray generator disposed at least in part across said cavity, a hollow panel having bearing means defining with said surface a gap and having an upper portion spaced from said surface and deiining therewith a light conducting duct leading towards said cutting member and including a bridge portion and marginal portions, a shutter rotatably' sustained by said bearing means for controlling the area of said gap, reflector g means for directing ultraviolet rays onto said surface and into said duct, pin means extending from said panel and having resilient means, and means carried by said casing for removably receiving said pins and for clamping said resilient means ior holding said bridge portion and marginal portions against said casing.

MAXWELL I.'SCHULTZ. 

